L-arginine is an amino acid that has numerous structural and physiological roles. It is considered a semi-essential amino acid, which means that the body can only synthesize it during specific situations, such as pregnancy, trauma, and illness.
L-arginine is crucial for the production of nitric oxide (NO), which is a molecule responsible for vasodilation (i.e., the expansion of blood vessels), mitochondrial function, and cellular signaling.
Many athletes are taking L-arginine supplements to optimize blood flow to their muscles during intense workouts. As a result, they become more efficient at performing cardiovascular exercises and strength training.
Additionally, L-arginine improves the process of muscle repair after working out, allowing you to gain bigger muscles in a short time.
In this article, we will briefly cover L-arginine’s mechanism of action and how it can promote muscle hypertrophy.
How does L-arginine work?
L-arginine enhances your athletic performance and promotes muscle growth.
According to one study, researchers found that L-arginine upregulates the secretion of growth hormones, which stimulate the process of muscle repair.
Moreover, this amino acid improves your performance in the gym, which inadvertently leads to more effective training sessions and a bigger lean muscle mass.
In a 2017 randomized study, 57 soccer players took 2 grams of L-arginine for 45 days. When researchers compared the performance of the players before and after taking L-arginine, they found a significant difference, as L-arginine drastically improved their performance.
However, and similar to other dietary supplements, taking this amino acid without exercising regularly will not yield any magical results. You need to work hard and add the supplement for further support.
What are the other benefits of L-arginine?
It regulates blood pressure
If you have high blood pressure, L-arginine supplements may lower both the systolic and diastolic readings.
In a 2016 review that included 7 studies, researchers found that supplementing your body with oral and intravenous L-arginine lowers blood pressure by up to 5 mm/Hg.
It regulates blood sugar levels
Scientists found that L-arginine benefits diabetic patients by optimizing the metabolism of glucose and insulin.
Interestingly, improving insulin sensitivity may also be a factor in promoting muscle growth, as insulin is an anabolic hormone.
It improves muscle soreness
L-arginine interferes with the process of muscle tissue repair by improving blood flow and upregulating the production of anabolic hormones.
The increased blood flow inside the muscle fibers will speed up the process of removing lactic acid; as a result, you are less likely to develop delayed-onset muscle soreness (DOMS).
Note that L-arginine also shortens the intensity and duration of preexisting muscle soreness.
Arginine in a blast
L-arginine is a semi-essential amino acid that significantly improves athletic performance and promotes muscle hypertrophy.
We hope that this article highlighted the benefits of L-arginine for muscle growth.
If you have any questions, concerns, a personal story about taking L-arginine supplements, please don’t hesitate to share your thoughts in the comment section below
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I’m your supplement guinea pig! I’ve been working out from 1999 to 2004 until I got involved into a motorcycle accident. Even if I have a certification in fitness, I prefer to consider myself a self learner. I’ve started working out about 10 years ago but the leg that took the hit in 2004 left me in a lot of pain and I kept quitting and coming back, with you guested it, poor results. I then discovered supplements, started small training in September 2019 after studying weight lifting and nutrition. I’ve reached the 1000lb club in 2020 and haven’t stop since. There is a lot of supplements on the market, some good, some bad, and some almost essential! My goal is to give you unbiased information, especially on supplements, their impacts on muscle building and share my experiences with you. More info about me here : My Stats So Far